Rules¶
The rule
module defines two classes, Rule
and
RuleDict
, derived from DbSchemaObject
and
DbObjectDict
, respectively.
Rule¶
Rule
is derived from
DbSchemaObject
and represents a Postgres
rewrite rule.
-
class
pyrseas.dbobject.rule.
Rule
(name, schema, table, description, event, instead=False, actions=None, condition=None, definition=None, oid=None)¶ A rewrite rule definition
-
Rule.
identifier
()¶ Return a full identifier for a rule object
Returns: string
-
Rule.
to_map
(db)¶ Convert rule to a YAML-suitable format
Returns: dictionary
-
Rule.
create
(dbversion=None)¶ Return SQL statements to CREATE the rule
Returns: SQL statements
Rule Dictionary¶
RuleDict
is derived from
DbObjectDict
. It is a dictionary that
represents the collection of rewrite rules in a database.
-
class
pyrseas.dbobject.rule.
RuleDict
(dbconn=None)¶ The collection of rewrite rules in a database.
-
RuleDict.
from_map
(table, inmap)¶ Initialize the dictionary of rules by examining the input map
Parameters: - table – the input YAML map of the associated table
- inmap – the input YAML map defining the rules